/Engine/Source/Runtime/RHI/Public/RHICommandList.h
FTexture2DRHIRef AsyncReallocateTexture2D ( FRHITexture2D * Texture2D, int32 NewMipCount, int32 NewSizeX, int32 NewSizeY, [FThreadSafeCounter](API\Runtime\Core\HAL\FThreadSafeCounter) * RequestStatus )